Combining an open bridge roof prism design with superior optics, the lightweight and ergonomic BX-3 Mojave Series binoculars offers performance that will impress even the most serious binoculars user. The fully multi-coated lenses are combined with L-Coat BAK4 prisms to provide excellent photopic transmission for a clear, bright image under any condition. Extremely smooth focusing system allows you to make fine adjustments. Wide field of view makes it easier to follow movement. Cold mirror coated prism technology improves the reflectiveness of the prisms for even greater color reproduction, resolution, and clarity. Twist-up eyecups and generous eye relief for comfortable extended viewing. Armor coated, rugged, and waterproof. Covered by the Leupold limited lifetime warranty.